Prime Rib French Dip Sandwich

Read moreFrench Dip Toast Boats . Leftover Prime Rib (any leftover steak or roast works) 1 Cup Au Jus 1 Cup Pepper Jack Cheese 6 Slices Texas Toast 1/2 Cup Sour Cream 3 Tbsp Horseradish, drained 1 Tbsp Mayo 1 tsp Apple Cider Vinegar 1/2 Tbsp Chives 1/2 Tsp Salt & Pepper . Thinly shave lefto